CVE-2026-30802
CVE-2026-30802 is a high-severity vulnerability in Rti Connext Micro with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- CVSS v4: 8.8
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-37755
- Weakness: CWE-125
- Affected product: Rti Connext Micro
- Published:
- Last modified:
Description
Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0, from 2.4.5 before 2.4.*.
Frequently asked questions
- What is CVE-2026-30802?
- Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0, from 2.4.5 before 2.4.*.
- How severe is CVE-2026-30802?
- CVE-2026-30802 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
- Is CVE-2026-30802 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-30802?
- CVE-2026-30802 affects Rti Connext Micro. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-30802?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-30802 have an EU (EUVD) identifier?
- Yes. CVE-2026-30802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37755.
- When was CVE-2026-30802 published?
- CVE-2026-30802 was published on 2026-06-17 and last updated on 2026-07-08.
References
Affected products (1)
- cpe:2.3:a:rti:connext_micro:*:*:*:*:*:*:*:*
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- CVE-2026-30803 — Critical (CVSS 9.1): Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This…
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